This photo provided by the New Mexico State Land Office shows New Mexico Land Commissioner Aubrey Dunn installing a sign along the U.S.-Mexico border to indicate the land belongs to the state Tuesday, March 6, 2018, near Santa Teresa, N.M. New Mexico's top land manager posted signs along the U.S.-Mexico border aimed at blocking border patrol operations on a one-mile stretch of state trust land over concerns that the federal government is not compensating the state for using the land. (Kris McNeil/New Mexico State Land Office via AP)
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